<header>
    <div class="head">
        <div class="left">
            <images src="">
        </div>
        <div class="mid">
            <form action="">
                <i class="iconfont icon-icon-test"></i>
                <input type="text" placeholder="搜索商品，发现更多优惠">
                <button>搜索</button>
            </form>
        </div>

        <div class="right">
            <dl>
                <dt><images src="../images/d1.png"></dt>
                <dd>全程包邮</dd>
                <dt><images src="../images/d2.png"></dt>
                <dd>7天退换</dd>
                <dt><images src="../images/d3.png"></dt>
                <dd>品质保证</dd>
            </dl>
        </div>
    </div>
    <!-- 导航栏 -->
    <div class="top">
        <button class="active">首页</button>
        <button>9块9包邮</button>
        <button>超值大额券</button>
        <button>夏季女装上新</button>
    </div>

</header>